Home / 149,846,630.40-224,769,945.60-78,033,715.20

Finding the Fourth Proportional to 149,846,630.40, 224,769,945.60 and 78,033,715.20

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Solution

The fourth proportional to 149,846,630.40, 224,769,945.60 and 78,033,715.20 is: 117,050,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,846,630.40 : 224,769,945.60 = 78,033,715.20 : x
  2. Step 2: Convert to fraction form
    149,846,630.40/224,769,945.60 = 78,033,715.20/x
  3. Step 3: Cross multiply
    149,846,630.40x = 224,769,945.60 × 78,033,715.20
  4. Step 4: Simplify right side
    149,846,630.40x = 17,539,633,920,469,894
  5. Step 5: Solve for x
    x = 17,539,633,920,469,894/149,846,630.40
  6. Step 6: Final answer
    x = 117,050,572.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.